import random

from django import http
from django.shortcuts import render

# Create your views here.
from django_redis import get_redis_connection
from rest_framework import status
from rest_framework.generics import GenericAPIView
from rest_framework.response import Response
from rest_framework.views import APIView

from libs.captcha.captcha import captcha

from verifications import serializers


class ImageCodeView(APIView):
    def get(self, request, image_code_id):
        # 1,生成图片验证码
        text, image_data = captcha.generate_captcha()

        # 2,保存图片验证码的值
        redis_conn = get_redis_connection("code")
        redis_conn.setex("image_code_%s" % image_code_id, 300, text)

        # 3,返回
        response = http.HttpResponse(image_data)
        response["Content-Type"] = "image/png"
        return response

class SmsCodeView(GenericAPIView):
    serializer_class = serializers.SmsCodeSerializer

    def get(self, request, mobile):
        # 1,获取参数
        dict_data = request.query_params

        # 2,创建序列化器,校验
        serializer = self.get_serializer(data=dict_data)
        serializer.is_valid(raise_exception=True)

        # 3,发送短信
        sms_code = "%06d" % random.randint(0, 99999)

        # 使用celery发送短信任务
        from celery_tasks.sms.tasks import send_sms_code
        send_sms_code.delay(mobile, sms_code)
        print("sms_code = %s" % sms_code)
        # result = CCP().send_template_sms(mobile,[sms_code,5],1)
        #
        # if result == -1:
        #     return http.HttpResponseBadRequest("发送失败")

        # 4,短信入库
        redis_conn = get_redis_connection("code")
        send_flag = redis_conn.get("send_flag_%s" % mobile)
        if send_flag:
            return Response({"errmsg": "频繁发送"}, status=status.HTTP_400_BAD_REQUEST)
        redis_conn.setex("sms_code_%s" % mobile, 300, sms_code)
        redis_conn.setex("send_flag_%s" % mobile, 60, True)

        # 5,返回响应
        return Response(status=status.HTTP_200_OK)